Finding the Fourth Proportional to 1,195,659.47, 1,650,599.14 and 828,415.09
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Solution
The fourth proportional to 1,195,659.47, 1,650,599.14 and 828,415.09 is: 1,143,620.96
Step by Step Solution
- Step 1: Write the proportion equation
1,195,659.47 : 1,650,599.14 = 828,415.09 : x - Step 2: Convert to fraction form
1,195,659.47/1,650,599.14 = 828,415.09/x - Step 3: Cross multiply
1,195,659.47x = 1,650,599.14 × 828,415.09 - Step 4: Simplify right side
1,195,659.47x = 1,367,381,228,919.49 - Step 5: Solve for x
x = 1,367,381,228,919.49/1,195,659.47 - Step 6: Final answer
x = 1,143,620.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.